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Linux/AWR1243: Runtime RF Calibration Configuration

Part Number: AWR1243

Tool/software: Linux

Hi radar team, 

I am developing on a Xilinx FPGA platform with UB960 deserializer, interfacing to a radar front end with UB953 serializers and AWR1243P radar chips. I am running a modified version of the mmwave_example software. 

I am trying to enable periodic runtime RF calibration with calibration reports. However, I only get a calibration report back for the first calibration, and none of the subsequent calibrations. I have set up the frame periodicity to 100 ms, calibration monitoring time unit to the duration of 10 frames, and calibration periodicity to a single calibration monitoring time unit, so I would expect to see a calibration report about every second. 

Is it possible that the runtime calibration is only happening once, or are subsequent calibration reports not making it back? 

Thanks,

Richard